sea level definition
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- Full Definition of SEA LEVEL. : the level of the surface of the sea especially at its mean position midway between mean high and low water. See sea level defined for English-language learners.See sea level defined for kids. ADVERTISEMENT. the level of the surface of the sea especially at its mean position midway between mean high and low water.
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Sea level rise Sea level rise refers to an increase in the volume of water in the world’s oceans, resulting in an increase in global mean sea level. Sea level rise is usually attributed to global climate change by thermal expansion of the water in the oceans and by melting of Ice sheets and glaciers on land. Melting of floating ice shelves or icebergs at sea raises sea levels only slightly.
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How to calculate the return on investment (ROI) of a marketing campaign Many people believe that marketing is just about advertising or sales. However, marketing is everything a company does to acquire customers and maintain a relationship with them.
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Evidence of Global Warming* Rise in sea level. (IPCC). With the melt water of glaciers and ice sheets draining into the oceans the mean sea level has risen. In Fig. 2.6, which shows data from several different investigators, it is seen that the mean sea level has risen by about 8 inches (200 millimeters) since 1870.
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What is the definition of global mean sea level (GMSL) and its rate? The term global mean sea level in the context of our research is defined as the area-weighted mean of all of the sea surface height anomalies measured by the altimeter in a single, 10-day satellite track repeat cycle. It can also be thought of as the eustatic sea level..The eustatic sea level is not a physical sea level (since the sea levels relative to local land surfaces vary depending on land motion and other factors), but it represents the level if all of the water in the oceans were contained in a single basin.ach point in the global mean sea level (GMSL) time series plots is the area-weighted mean of all of the sea surface height anomalies measured by the altimeter in a single, 10-day satellite track repeat cycle (time for the satellite to begin repeating the same ground track).
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Sea level To an operator of a tide gauge, MSL means the still water level—the level of the sea with motions such as wind waves averaged out—averaged over a period of time such that changes in sea level, e.g., due to the tides, also get averaged out.
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sea level sea level-level of the ocean's surface (especially that halfway between mean high and low tide); used as a standard in reckoning land elevation or sea depth.water level-the level of the surface of a body of water.Translations.. 1. (Physical Geography) the level of the surface of the sea with respect to the land, taken to be the mean level between high and low tide, and used as a standard base for measuring heights and depths.
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- Sea surface temperature (SST) is the water temperature close to the ocean 's surface. The exact meaning of surface varies according to the measurement method used, but it is between 1 millimetre (0.04 in) and 20 metres (70 ft) below the sea surface.he temperature of the ocean at depth lags the Earth's atmosphere temperature by 15 days per 10 metres (33 ft), which means for locations like the Aral Sea, temperatures near its bottom reach a maximum in December and a minimum in May and June.
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- Mean sea level. MSL. (Mean Sea Level) - The arithmetic mean of hourly water elevations observed over a specific 19-year tidal epoch. You can either type in the word you are looking for in the box below or browse by letter.Mean Sea Level) - The arithmetic mean of hourly water elevations observed over a specific 19-year tidal epoch. You can either type in the word you are looking for in the box below or browse by letter.
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- Search by city. Sea Level Pressure. The sea level pressure is the atmospheric pressure at sea level at a given location. When observed at a reporting station that is not at sea level (nearly all stations), it is a correction of the station pressure to sea level. This correction takes into account the standard variation of pressure with height and the influence of temperature variations with height on the pressure.
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How Many? A Dictionary of Units of Measurement Â© Russ  Rowlett and the University of North Carolina at Chapel  HillTable of  ContentsAbout the DictionaryUsing the DictionaryM abbreviation for above mean sea level, often seen in measurements of altitude, as in m (msl) for meters above mean sea level or ft msl for feet above mean sea level. Mean sea level is defined to be the average height of the sea, for all stages of the tide, as measured over a 19-year Metonic cycle (see above).
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- These statistics about teens highlight the dangers of social media: 1  17% of teens say they've been contacted online by someone they didn't know in a way that made them feel scared or uncomfortable. 2  30% of teens say they've received online advertising that was inappropriate for their age.
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- The 2007 IPCC report estimated that sea level would increase between 7.5 and 23.2 inches by 2100. This article claims that it COULD easily go up by a meter (39 inches). In essence this is nothing but the usual scare tactics.
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Sea level Local mean sea level (LMSL) is defined as the height of the sea with respect to a land benchmark, averaged over a period of time (such as a month or a year) long enough that fluctuations caused by waves and tides are smoothed out.
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- A sea is a large body of salt water that is surrounded in whole or in part by land. More broadly, the sea (with the definite article) is the interconnected system of Earth's salty, oceanic waters—considered as one global ocean or as several principal oceanic divisions.
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sea Definition of sea. 1  1a : a great body of salt water that covers much of the earth; broadly : the waters of the earth as distinguished from the land and airb : a body of salt water of second rank more or less landlocked the Mediterranean seac : oceand : an inland body of water —used especially for names of such bodies the Caspian Sea.
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- Get your tickets now for our “From Field to Fork – A Candlelight Harvest Dinner,” being held on Thursday, Oct. 15 at 6 pm in our decorated greenhouse. 1  Verrill Farm chefs prepare a dinner inspired by just-picked crops. 2  Music by Guitarist Enrique. 3  $48.00 per person, tax included.
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sea level sea level. n. (Physical Geography) the level of the surface of the sea with respect to the land, taken to be the mean level between high and low tide, and used as a standard base for measuring heights and depths. sea′ lev`el. n. the horizontal plane corresponding to the surface of the sea at mean level between high and low tide.
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What Is Elevation Above Sea Level? Sea level variations occur with gravity, temperature, weather and currents, but the sea level throughout the world is generally consistent. The elevation above sea level is based on the average of these measurements, which are taken over 19 years, and the height of a place or landmass above it.
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Land Below Sea Level The Dead Sea Depression is an extensive area of land that is below sea level. It contains the Dead Sea, the Sea of Galilee, a portion of the Jordan River, large areas of cultivated land and many communities. The shoreline of the Dead Sea is the lowest dry land on Earth. It is approximately 413 meters below sea level.
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- A sea is a large body of salt water that is surrounded in whole or in part by land. More broadly, the sea is the interconnected system of Earth's salty, oceanic waters—considered as one global ocean or as several principal oceanic divisions. The sea moderates Earth's climate and has important roles in the water cycle, carbon cycle, and nitrogen cycle. Although the sea has been traveled and explored since prehistory, the modern scientific study of the sea—oceanography—dates broadly to ...
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Sea level For at least the last 100 years, sea level has been rising at an average rate of about 1.8 mm (0.1 in) per year. Most of this rise can be attributed to the increase in temperature of the sea and the resulting slight thermal expansion of the upper 500 metres (1,640 feet) of sea water.recise determination of a mean sea level is a difficult problem because of the many factors that affect sea level. Sea level varies quite a lot on several scales of time and distance.
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How is the height of any place measured above sea level? A common and relatively straightforward mean sea-level is the midpoint between a mean low tide and mean high tide at a particular location. Height above mean sea level is the elevation or altitude of an object, relative to the average sea level. U can use this website to see the height of any place above sea level. Altitude.nu - Find the elevation of any place. Written Jan 19.
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sea sea. 1  the salt waters that cover the greater part of the earth's surface. 2  a division of these waters, of considerable extent, more or less definitely marked off by land boundaries: the North Sea. 3  one of the seven seas; ocean. 4  a large lake or landlocked body of water.
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- Sea surface temperature (SST) is the water temperature close to the ocean 's surface. The exact meaning of surface varies according to the measurement method used, but it is between 1 millimetre (0.04 in) and 20 metres (70 ft) below the sea surface.Air masses in the Earth's atmosphere are highly modified by sea surface temperatures within a short distance of the shore.n calm days, the temperature can vary by 6 °C (10 °F). The temperature of the ocean at depth lags the Earth's atmosphere temperature by 15 days per 10 metres (33 ft), which means for locations like the Aral Sea, temperatures near its bottom reach a maximum in December and a minimum in May and June.
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- Altitude is commonly expressed as a number defining the distance in layers above the base of the game environment, which is layer zero (0). Sea level is recognized as layer 62 (i.e. altitude 63), and the top of the game environment is layer 255 (i.e. altitude 256). Clouds appear halfway between the two at layer 127.